US Bridges

SD044 over Pony Ck

Good

Hutchinson County, South Dakota · 1.7 E Douglas CO Line · Structure no. 000000034017080

Built
1959
66 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
1,657
2024 count
Owner
State
State Highway Agency

About this bridge

SD044 over Pony Ck is a concrete continuous slab carrying SD044 over Pony Ck in Hutchinson County, South Dakota. It was built in 1959, so it is 66 years old, older than the South Dakota average of 48.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,657 vehicles a day, roughly 19% of them trucks, projected to reach 2,290 by 2044. The structure is 67 ft (20.4 m) long and 34 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSD044
CrossesPony Ck
Location1.7 E Douglas CO Line
RouteState Highway 44
Coordinates43.38407, -98.07839
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.9 US tons
Inventory rating34.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length67 ft (20.4 m)
Longest span23 ft (7 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,657 (2024)
Projected traffic2,290 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SD044 over Pony Ck built?

It was built in 1959, making it 66 years old in 2025.

What condition is SD044 over Pony Ck in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does SD044 over Pony Ck carry?

About 1,657 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is SD044 over Pony Ck?

The structure is 67 ft (20.4 m) long with a longest span of 23 ft (7 m) and a deck 34 ft wide.

Who owns SD044 over Pony Ck?

It is owned by the State Highway Agency.